<?php

require_once 'HTMLPurifier/HTMLModule.php';
require_once 'HTMLPurifier/ChildDef/Chameleon.php';

/**
 * XHTML 1.1 Edit Module, defines editing-related elements. Text Extension
 * Module.
 */
class HTMLPurifier_HTMLModule_Edit extends HTMLPurifier_HTMLModule
{
	
	var $name = 'Edit';
	
	function setup($config) {
		$contents = 'Chameleon: #PCDATA | Inline ! #PCDATA | Flow';
		$attr = array(
			'cite' => 'URI',
			// 'datetime' => 'Datetime', // not implemented
		);
		$this->addElement('del', true, 'Inline', $contents, 'Common', $attr);
		$this->addElement('ins', true, 'Inline', $contents, 'Common', $attr);
	}
	
	// HTML 4.01 specifies that ins/del must not contain block
	// elements when used in an inline context, chameleon is
	// a complicated workaround to acheive this effect
	
	// Inline context ! Block context (exclamation mark is
	// separator, see getChildDef for parsing)
	
	var $defines_child_def = true;
	function getChildDef($def) {
		if ($def->content_model_type != 'chameleon') return false;
		$value = explode('!', $def->content_model);
		return new HTMLPurifier_ChildDef_Chameleon($value[0], $value[1]);
	}
	
}

